<template>
    <div class="swiper-container">
        <div class="swiper-wrapper">
            <div class="swiper-slide" v-for="(skuImage, index) in skuImageList" :key="skuImage.id">
                <img :src="skuImage.imgUrl" @click="changeImg(index)">
            </div>
        </div>
        <div class="swiper-button-next"></div>
        <div class="swiper-button-prev"></div>
    </div>
</template>

<script>
    import Swiper from 'swiper';
    export default {
        name: "ImageList",
        props: ['skuImageList'],
        watch: {
            skuImageList() {
                this.$nextTick(() => {
                    new Swiper('.swiper-container', {
                        // 如果需要前进后退按钮
                        navigation: {
                            nextEl: '.swiper-button-next',
                            prevEl: '.swiper-button-prev',
                        },
                        slidesPerView: 3
                    })
                });
            }

        },
        methods: {
            //向放大镜组件传递图片的索引
            changeImg(index){
                this.$bus.$emit('changeImg', index);
            }
        }
    }
</script>

<style lang="less" scoped>
    .swiper-container {
        height: 56px;
        width: 412px;
        box-sizing: border-box;
        padding: 0 12px;

        .swiper-slide {
            width: 56px;
            height: 56px;

            img {
                width: 100%;
                height: 100%;
                border: 1px solid #ccc;
                padding: 2px;
                width: 50px;
                height: 50px;
                display: block;

                &.active {
                    border: 2px solid #f60;
                    padding: 1px;
                }

                &:hover {
                    border: 2px solid #f60;
                    padding: 1px;
                }
            }
        }

        .swiper-button-next {
            left: auto;
            right: 0;
        }

        .swiper-button-prev {
            left: 0;
            right: auto;
        }

        .swiper-button-next,
        .swiper-button-prev {
            box-sizing: border-box;
            width: 12px;
            height: 56px;
            background: rgb(235, 235, 235);
            border: 1px solid rgb(204, 204, 204);
            top: 0;
            margin-top: 0;

            &::after {
                font-size: 12px;
            }
        }
    }
</style>